http://www.youtube.com/optec - This video series features Optec who has his own Youtube channel. Check him out and subscribe.
This is the last of four parts of a comprehensive Warlock guide covering all 3 specs, rotations, glyphs and various other gubbins. I will be working with experts on guides for other classes over the coming weeks. This guide covers the soulshard system, soulburn mechanic and new spells available in Cataclysm.